Vocabulary Entry

insulator

|noun • verb

noun

A material or object that does not allow heat, electricity, or sound to pass through.

Example Sentences

"Rubber is an excellent insulator for electrical wiring."

"The insulator around the pipes helps prevent heat loss."

"Fiberglass is commonly used as an insulator in building construction."

verb

Example Sentences

"They decided to insulate the attic to reduce energy costs."

"He will insulate the new electrical cables to prevent short circuits."

"The building was insulated to maintain a comfortable temperature year-round."